CVE-2023-38428 Information disclosure in n/a

What is CVE-2023-38428?

CVE-2023-38428 is a critical vulnerability in Linux kernel, published on 17 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/smb2pdu.c in ksmbd does not properly check the UserName value because it does not consider the address of security buffer, leading to an out-of-bounds read.

Weakness: CWE-125

Which versions are affected by CVE-2023-38428?

It affects 7 products.

Products include Linux kernel, Netapp H300s, Netapp H410s, Netapp H500s, Netapp H700s, Netapp Solidfire \& Hci Management Node and 1 more.

How do I fix CVE-2023-38428?

Apply the vendor's patch.

Is CVE-2023-38428 being exploited?

There is no known exploitation of CVE-2023-38428 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-27537, DEBIAN-CVE-2023-38428, GHSA-h5gp-9w8f-f2p2, UBUNTU-CVE-2023-38428.